If you are a Hackaday reader, you probably know what a Fresnel lens is. You find them in everything from overhead projectors to VR headsets. While it seems commonplace now, the Fresnel lens was an ...

Making a traditional glass lens requires a lot of experience, skill, and patience grinding a piece of glass to the required shape, and is not for the casual experimenter. Making a glass Fresnel ...

It towers above the museum's displays of ship models and marine artifacts. This is the Fresnel lens, not one lens really, but numerous tiers of prisms. Lenses like this one turned simple flames ...

Fresnel Technologies Inc. purchased the lens division of Lectric Lites Company in December 1986, and moved into new quarters at 101 W. Morningside Drive in Fort Worth in July 1987. The facilities ...

Diffractive lenses, such as Fresnel plates, offer a lightweight alternative but suffer from color distortion issues. These limitations have long hindered their adoption in astrophotography.

Naval aviators know that traffic light as the Improved Fresnel Lens Optical Landing System. A pilot uses IFLOLS to discern his glide slope—the angle at which aircraft descend and land—by ...

At NAB 2025 in Las Vegas, Kelvin was showing a prototype of its upcoming Versa Mount. The Versa Mount is a Bowens-S mount ...

“It was an accident. The truck was transporting a Fresnel lens,” a man tells Ezra as he recovers in the hospital. “It sits on top of a lighthouse, spins around.” After visiting the ...

Fresnel lenses are all around us, but this vase puts the commonplace technology to work in an entirely new way. Borrowed From Old Lighthouses, A Method For Super-Powerful Solar Power With the help ...